The swallow observed the sharp contrast between abundance and poverty as it passed over the city. It witnessed wealthy men having a good time, disregarding the suffering of the others down the lane.
When cops patrolling the streets deny the impoverished even a good night's sleep, it represents the lowest point in their condition.
In Fig. 9.26, A, B, C and D are four points on a circle. AC and BD intersect at a point E such that ∠ BEC = 130° and ∠ ECD = 20°. Find ∠ BAC.